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Auditors' Remuneration (Details) - Schedule of All Other Fees - AUD ($) | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Schedule of all Other Fees [Line Items] |  |
EMDG grant consulting services | $ 7,210 | $ 3,000
EMDG grant consulting services [Member] |  |
Schedule of all Other Fees [Line Items] |  |
EMDG grant consulting services | $ 7,210 | $ 3,000

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- Definition The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | imrn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_TimingOfTransferOfGoodsOrServicesAxis=imrn_EMDGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |